21196419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12823}}^1$

素因数の和:12874

約数の個数: 16

約数和(自身を含む): 30777600

約数和(自身を除く): 9581181

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12823, 38469, 243637, 371867, 730911, 1115601, 7065473, 21196419]

約数ペア:

[(1, 21196419), (3, 7065473), (19, 1115601), (29, 730911), (57, 371867), (87, 243637), (551, 38469), (1653, 12823)]